test/MC/RISCV/function-call.s

   1 # RUN: llvm-mc -filetype=obj -triple riscv32 < %s \
   2 # RUN:     | llvm-objdump -d - | FileCheck -check-prefix=INSTR %s
   3 # RUN: llvm-mc -filetype=obj -triple riscv32 < %s \
   4 # RUN:     | llvm-readobj -r | FileCheck -check-prefix=RELOC %s
   5 # RUN: llvm-mc -triple riscv32 < %s -show-encoding \
   6 # RUN:     | FileCheck -check-prefix=FIXUP %s
   7
   8 .long foo
   9
  10 call foo
  11 # RELOC: R_RISCV_CALL foo 0x0
  12 # INSTR: auipc ra, 0
  13 # INSTR: jalr  ra
  14 # FIXUP: fixup A - offset: 0, value: foo, kind: fixup_riscv_call
  15 call bar
  16 # RELOC: R_RISCV_CALL bar 0x0
  17 # INSTR: auipc ra, 0
  18 # INSTR: jalr  ra
  19 # FIXUP: fixup A - offset: 0, value: bar, kind: fixup_riscv_call
  20
  21 # Ensure that calls to functions whose names coincide with register names work.
  22
  23 call zero
  24 # RELOC: R_RISCV_CALL zero 0x0
  25 # INSTR: auipc ra, 0
  26 # INSTR: jalr  ra
  27 # FIXUP: fixup A - offset: 0, value: zero, kind: fixup_riscv_call
  28
  29 call f1
  30 # RELOC: R_RISCV_CALL f1 0x0
  31 # INSTR: auipc ra, 0
  32 # INSTR: jalr  ra
  33 # FIXUP: fixup A - offset: 0, value: f1, kind: fixup_riscv_call
  34
  35 call ra
  36 # RELOC: R_RISCV_CALL ra 0x0
  37 # INSTR: auipc ra, 0
  38 # INSTR: jalr  ra
  39 # FIXUP: fixup A - offset: 0, value: ra, kind: fixup_riscv_call
  40
  41 call mstatus
  42 # RELOC: R_RISCV_CALL mstatus 0x0
  43 # INSTR: auipc ra, 0
  44 # INSTR: jalr  ra
  45 # FIXUP: fixup A - offset: 0, value: mstatus, kind: fixup_riscv_call
  46
  47 # Ensure that calls to procedure linkage table symbols work.
  48
  49 call foo@plt
  50 # RELOC: R_RISCV_CALL_PLT foo 0x0
  51 # INSTR: auipc ra, 0
  52 # INSTR: jalr  ra
  53 # FIXUP: fixup A - offset: 0, value: foo@plt, kind: fixup_riscv_call_plt
  54
  55 # Ensure that an explicit register operand can be parsed.
  56
  57 call a0, foo
  58 # RELOC: R_RISCV_CALL foo 0x0
  59 # INSTR: auipc a0, 0
  60 # INSTR: jalr  a0
  61 # FIXUP: fixup A - offset: 0, value: foo, kind: fixup_riscv_call
  62
  63 call a0, foo@plt
  64 # RELOC: R_RISCV_CALL_PLT foo 0x0
  65 # INSTR: auipc a0, 0
  66 # INSTR: jalr  a0
  67 # FIXUP: fixup A - offset: 0, value: foo@plt, kind: fixup_riscv_call_plt